One of the first BMW M Automobiles, BMW M550d xDrive, makes its world debut at the 2012 Geneva Motor Show.
The first M-tuned diesels are powered by an all-new tri-turbo engine that develops 381 horsepower and 740 Nm (546 lb-ft) of torque.
The M550d Sedan offers fuel economy figures of 6.3 liters per 100 kilometers in the EU test cycle, while the Touring achieves 6.4 l/100 km. CO2 emissions are 165 grams per kilometer for the BMW M550d xDrive Sedan and 169 g/km in the case of the BMW M550d xDrive Touring.
The M Performance Automobiles lineup offer M-specific tuning of suspension, bodyshell mounting, engine and transmission mounting, springs and dampers, all standard and optional chassis control systems, and the Servotronic mapping for the hydraulic steering.
Inside, BMW included plenty of M-specific design cues, like the gearshift lever with M logo, exclusive Alcantara/Nappa leather M sports seats in Black (BMW X5 M50d, BMW X6 M50d) or Alcantara/Cloth in Grey Shadow (BMW M550d xDrive) with contrast stitching and embossed M logo. An M leather steering wheel with gearshift paddles is part of the super sporty package as well.
BMW M550d xDrive is available for European customers and according to the company, there are no plans to bring the M-tuned diesel to the U.S.
Author: Horatiu Boeriu
Source: http://www.bmwblog.com/2012/03/06/2012- ... 0d-xdrive/